Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280890 | Electrochemical sensor for oxygen concentration determination in gases and method of making the same | Karl-Hermann Friese, Wolf-Dieter Haecker | 1981-07-28 |
BP
Burkhard Pfeiffer
Overall (All Time): #4,093,964 of 4,157,543Top 100%
1
Patents All Time